Internal Standard Spiking Solution, 1.2ml, nonane

2,2',3,4,4',5,6,6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

Chloroparaffin C18-C20 36 % Cl, 100 µg/ml in CY, 10ml

2,4-D, 100µg/ml in Acetonitrile, 5ml